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DIY

How Much Stain Do You Need?

Calculate gallons of stain for decks, fences, and furniture based on surface area and wood type.

📅 Updated April 2026 ✅ Formula verified 📖 4 min read 🆓 Free · No sign-up

Coverage

Smooth: 80-120 sq ft/L। Rough: 50-80। Always 2 coats। 200 sq ft: ~5-6L। Asian Paints WoodTech, Pidilite: popular brands। Indian climate needs UV + moisture protection।

Teak Care

Teak oil for indoor furniture: best protection। Outdoor: marine varnish। Reapply outdoor annually (monsoon damage)।

⚡ CalcWolf Insight

The single biggest staining mistake: not cleaning and prepping the surface. Stain applied over dirt, mildew, or old flaking stain will peel within a year. Power wash, let dry completely (48+ hours), and sand smooth before staining. Prep is 70% of the job — the actual staining is the easy part.

Frequently asked questions
200 sq ft?▾
5-7 litres (2 coats)।
Outdoor reapply?▾
Annually before monsoon। Indoor: 2-3 years।
✓ Math logic verified against primary sources → See our verification process
Kevin Glover
Founder, CalcWolf · GLVTS · Blickr
All formulas sourced from primary references — IRS publications, peer-reviewed research, and official standards. Results are tested against independent reference calculators before publishing. Rates and brackets updated when official sources change. Editorial policy →
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